551  
SXUS45 KMSO 212330  
RECGPI  
 
RECREATION FORECAST FOR FLATHEAD LAKE  
NATIONAL WEATHER SERVICE MISSOULA MT  
505 PM MDT TUE JUL 21 2026  
 
NOTE: THE EXPERIMENTAL WAVE HEIGHT FORECASTS ARE REPRESENTATIVE OF  
THE MID LAKE WATERS AND DOWNWIND SHORES. WAVE HEIGHTS MAY BE  
SIGNIFICANTLY LESS ON UPWIND SHORES.  
   
TONIGHT
 
PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY LATE IN THE  
EVENING THEN BECOMING PARTLY CLOUDY. PATCHY SMOKE. LOWS IN THE  
LOWER 60S. VARIABLE WINDS UP TO 10 MPH. WAVES LESS THAN 1 FOOT.    
WEDNESDAY
 
MOSTLY SUNNY. PATCHY SMOKE THROUGH THE DAY. A  
20 PERCENT CHANCE OF RAIN IN THE AFTERNOON. HIGHS IN THE LOWER  
80S. VARIABLE WINDS UP TO 10 MPH. WAVES LESS THAN 1 FOOT.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 60S. VARIABLE  
WINDS UP TO 10 MPH. WAVES LESS THAN 1 FOOT.    
THURSDAY
 
SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON. HIGHS IN THE MID 80S. VARIABLE WINDS UP TO 10 MPH.  
WAVES LESS THAN 1 FOOT.  
 
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